Artist.
Nickname: Kumada JanbO
The other names: "kmj", "熊田 JanbO" or くまたそ (Kumataso)
Old name: 凪砂と熊田
Site names: シーサイドベアバグ, ダムサイドベアバグ, ぎゅるぎゅるぽんぽん or SoSaku ぽんぽん
https://www.pixiv.net/users/3890802
https://www.pixiv.net/stacc/kumadajanbo
https://twitter.com/kmc_kirakira
https://twitter.com/kumada_ja
https://twitter.com/intent/user?user_id=795697928
https://twitter.com/intent/user?user_id=909365712904380416
https://seiga.nicovideo.jp/user/illust/23193426
https://www.nicovideo.jp/user/23193426
https://ymnrvydj-7.fanbox.cc
https://www.pixiv.net/fanbox/creator/3890802
https://sketch.pixiv.net/@kumadajanbo
https://kumadajanbo.tumblr.com
https://kumadajasoaku.tumblr.com
https://ask.fm/kumada_ja
http://privatter.net/u/kumada_ja
http://uminokumamushi.wordpress.com
http://p.twipple.jp/user/kumada_ja